correct an issue of trackbar on macOS#22255
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opencv-pushbot merged 1 commit intoopencv:4.xfrom Jul 16, 2022
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r2d3
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Jul 15, 2022
modules/highgui/src/window_cocoa.mm
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| if (value) | ||
| text = [NSString stringWithFormat:@"%@ %d", temp, *value]; | ||
| else | ||
| text = [NSString stringWithFormat:@"%@ %d", temp, pos]; |
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Perhaps we could use only this case ?
Is there use case where the user fill *value with the value he wants to be displayed ?
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Lets just replace *value -> pos unconditionally.
-NSString *text = [NSString stringWithFormat:@"%@ %d", temp, *value];
+NSString *text = [NSString stringWithFormat:@"%@ %d", temp, pos];relates #22047
alalek
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Jul 15, 2022
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Thank you for the fix!
4.x branch is fine for this patch.
modules/highgui/src/window_cocoa.mm
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| if (value) | ||
| text = [NSString stringWithFormat:@"%@ %d", temp, *value]; | ||
| else | ||
| text = [NSString stringWithFormat:@"%@ %d", temp, pos]; |
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Lets just replace *value -> pos unconditionally.
-NSString *text = [NSString stringWithFormat:@"%@ %d", temp, *value];
+NSString *text = [NSString stringWithFormat:@"%@ %d", temp, pos];relates #22047
Python binding is passing NULL as (int*)value. sliderChanged crash when trying to dereference value
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alalek
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Jul 16, 2022
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Python binding is passing NULL as (int*)value.
sliderChanged crash when trying to dereference value
A user reported this issue to me on IRC and opened an issue in opencv-python
opencv/opencv-python#691
I have a solution for the issue but I do not know which OpenCV branch I should target
Pull Request Readiness Checklist
See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request
Patch to opencv_extra has the same branch name.